Have to click twice to upload file with ajaxupload

Question

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This is my jquery code to upload multiple file. Input file generated dynamically so i am calling this FileUploader function where these input file generated. But i have to click twice to upload file. Any ideas are appreciated. :)

C#

FileUploader: function($dis) {
                    var fileName = '';
                    var $htm = $($dis.parents('div.sfFormInput').find('div.cssClassUploadFiles'));
                    var $ht = $($dis.parent('div.uploader'));
                    var extension = new RegExp($ht.attr('extension'), "i");

                    var upload = new AjaxUpload($('#' + $dis.attr('id') + ''), {
                        action: Path + "UploadHandler.ashx",
                        name: "myfile[]",
                        multiple: true,
                        data: {},
                        autoSubmit: true,
                        responseType: "json",
                        onChange: function(file, ext) {
                        },
                        onSubmit: function(file, ext) {
                            if ($ht.attr('almul') == "false" && $('div.cssClassUploadFiles').children('div').length > 0) {
                                csscody.alert('<h1>Alert Message</h1><p>You can upload only one file at  a time!</p>');
                                return false;
                            }
                            if (ext != "exe" && extension != '') {
                                if (ext && extension.test(ext)) {
                                    this.setData({
                                        'MaxFileSize': $ht.attr('filesize')
                                    });
                                } else {
                                    csscody.alert('<h1>Alert Message</h1><p>Not a valid file!</p>');
                                    return false;
                                }
                            }
                        },
                        onComplete: function(file, response) {
                            var html = '';
                            var filePath = Path + "/UploadedFiles/" + file;
                            if (file.split('.')[1] == "jpg" || file.split('.')[1] == "JPEG" || file.split('.')[1] == "gif" || file.split('.')[1] == "bmp" || file.split('.')[1] == "png")
                                html = '<div title="' + Path + "UploadedFiles/" + file + '" ><img height="10%" width="10%" src="' + filePath + '"/><a class="sfDeleteFile"><img src="../Modules/FormBuilder/images/closelabel.png" /></a></div>';
                            else
                                html = '<div title="' + Path + "UploadedFiles/" + file + '" >' + file + '  <a class="sfDeleteFile"><img src="../Modules/FormBuilder/images/closelabel.png" /></a></div>';
                            $htm.append(html);
                        }
                    });
                }

Posted 28-May-12 19:27pm

Shyam Sundar Yadav

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Sandeep Mewara · Answer 1 · 2012-05-28T20:11:00

If you Google[^] for it then you will know that this is a common issue faced by a lot of people.

Have a look at these discussions:
jQuery AjaxUpload, have to click button twice?[^]
Jquery form upload plugin: how to reduce it to one click?[^]
AjaxUpload: why have to click twice?[^]

Based on above discussions, it looks like, the reason why you needed to click several times, is because AjaxUpload() does NOT initiate a file upload. Instead, it attaches a click listener to the element you pass to it as a parameter. So, when you clicked the first time, the listener was created. The second time, the file upload was initiated. So, try:

JavaScript

$(function(){
         AjaxUpload("#upload_files",{
        // your stuff here
      });
 }

Thus, when the page is loaded, the AjaxUpload plugin adds a listener to the #upload_files element, that then in turn triggers the file upload.